/* Example: Word Counting Source: K&R2, p.20 */ #include #define IN 1 /* inside a word */ #define OUT 2 /* outside a word */ /* count lines, words, and characters in input */ void main () { int c, nl, nw, nc, state; state = OUT; nl = nw = nc = 0; while ((c = getchar()) != EOF) { ++nc; if (c == '\n') ++nl; if (c == ' ' || c == '\n' || c == '\t') state = OUT; else if (state == OUT) { state = IN; ++nw; } } printf("%d %d %d\n", nl, nw, nc); }